The city hereby reserves the right to put into effect, at any time, other restrictions and regulations as to the erection and maintenance of gas mains, pipes, poles, and other appurtenances in the streets, easements, alleys, and other public ways of the city; and, from time to time, to require such gas mains, pipes, poles, and other property, equipment, and fixtures as it may deem proper to be removed on such terms as the city may deem proper.
(1998 Code, sec. 3.406)